Immunology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Cardiovascular
disease
(CVD)
is
a
leading
cause
of
morbidity
and
mortality
globally.
Recent
groundbreaking
preclinical
clinical
research
underscores
the
pivotal
role
metabolite
remodelling
in
pathology
CVD.
This
metabolic
transformation
not
only
directly
fuels
progression
CVD
but
also
profoundly
influences
immune
response
within
cardiovascular
system.
In
this
review,
we
focused
on
complex
interactions
between
alterations
responses
during
course
Furthermore,
explore
potential
therapeutic
interventions
that
could
be
developed
based
understanding
dysregulation
By
targeting
these
immunological
pathways,
novel
strategies
for
prevention
treatment
CVDs
might
to
improve
patient
outcomes
reduce
global
burden
disease.
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 27, 2024
Cellular
metabolism
is
a
crucial
determinant
of
immune
cell
fate
and
function.
Extensive
studies
have
demonstrated
that
metabolic
decisions
influence
activation,
differentiation,
cellular
capacity,
in
the
process
impacting
an
organism’s
ability
to
stave
off
infection
or
recover
from
injury.
Conversely,
dysregulation
can
contribute
severity
multiple
disease
conditions
including
autoimmunity,
alloimmunity,
cancer.
Emerging
data
also
demonstrate
cues
profiles
success
failure
adoptive
therapies.
Importantly,
immunometabolism
not
one
size
fits
all;
different
types,
even
subdivisions
within
distinct
populations
utilize
pathways
optimize
Metabolic
preference
change
depending
on
microenvironment
which
cells
are
activated.
For
this
reason,
understanding
requirements
subsets
critical
therapeutically
modulating
states
maximizing
function
for
downstream
applications.
Fatty
acid
oxidation
(FAO),
particular,
plays
roles
cells,
providing
both
pro-
anti-inflammatory
effects.
Herein,
we
review
major
available
then
focus
more
closely
role
FAO
subsets.
Understanding
how
why
utilized
by
will
allow
design
optimal
therapeutic
interventions
targeting
pathway.
Hepatology Communications,
Journal Year:
2025,
Volume and Issue:
9(2)
Published: Jan. 29, 2025
Background:
Hepatitis
B
is
a
liver
infection
caused
by
HBV.
Infected
individuals
who
fail
to
control
the
viral
develop
chronic
hepatitis
and
are
at
risk
of
developing
life-threatening
diseases,
such
as
cirrhosis
or
cancer.
Dendritic
cells
(DCs)
play
important
roles
in
immune
response
against
HBV
but
functionally
impaired
patients
with
B.
The
underlying
mechanisms
involved
HBV-induced
DC
dysfunctions
remain
be
elucidated.
Methods:
We
explored
modulations
HBsAg
exposing
blood-derived
cDC1s,
cDC2s,
plasmacytoid
DCs
from
healthy
donors
stimulating
them
toll-like
receptor
ligand.
Their
phenotypic
functional
features,
well
their
metabolic
profile,
were
analyzed
through
multiparametric
flow
cytometry
multiplex
assays
further
on
patients’
samples.
Results:
found
that
deeply
reshaped
secretome
Strikingly,
we
observed
HBV-exposed
secrete
high
levels
CX3CL1
(fractalkine),
chemokine
responsible
for
attracting
antiviral
effectors
site
infection.
exposure
favored
activation
while
drastically
altering
TRAIL
expression
ligand
increasing
secretion
cytokines/chemokines
tolerance.
dampened
metabolism
subsets
driving
switches.
Notably,
relevance
CX3CL1/CX3CR1
axis,
TGF-β,
disturbances
was
demonstrated
within
intrahepatic
according
disease
stage.
Conclusions:
Our
work
brings
new
insights
into
immunomodulation
induced
DCs,
which
contribute
responses
progression
toward
chronicity.
Aging Cell,
Journal Year:
2023,
Volume and Issue:
22(6)
Published: May 9, 2023
Abstract
The
old
age‐related
loss
of
immune
tolerance
inflicts
a
person
with
wide
range
autoimmune
and
inflammatory
diseases.
Dendritic
cells
(DCs)
are
the
sentinels
system
that
maintain
through
cytokines
regulatory
T‐cells
generation.
Aging
disturbs
microbial
composition
gut,
causing
dysregulation.
However,
vis‐à‐vis
role
gut
dysbiosis
on
DCs
remains
highly
elusive.
Consequently,
we
studied
influence
aging
its
impact
DC
tolerance.
We
show
generated
from
either
aged
(DC
Old
)
or
gut‐dysbiotic
young
Dysbiotic
but
not
Young
mice
exhibited
tolerance,
as
evidenced
by
their
failure
to
optimally
induce
generation
Tregs
control
overactivation
CD4
+
T
cells.
mechanism
deciphered
for
was
chiefly
NF‐κB,
impaired
frequency
Tregs,
upregulation
in
level
pro‐inflammatory
molecules
(IL‐6,
IL‐1β,
TNF‐α,
IL‐12,
IFN‐γ),
decline
anti‐inflammatory
moieties
(IL‐10,
TGF‐β,
IL‐4,
IDO,
arginase,
NO,
IRF‐4,
IRF‐8,
PDL1,
BTLA4,
ALDH2).
Importantly,
significant
Lactobacillus
genus
noticed
gut.
Replenishing
plantarum
reinvigorated
tolerogenic
function
rewiring
metabolic
pathways.
Thus,
first
time,
demonstrate
This
finding
may
open
avenues
therapeutic
intervention
treating
age‐associated
disorders
.
iScience,
Journal Year:
2023,
Volume and Issue:
26(10), P. 107921 - 107921
Published: Sept. 15, 2023
Metabolism
and
energy
processes
governing
oligodendrocyte
function
during
neuroinflammatory
disease
are
of
great
interest.
However,
how
varied
cellular
environments
affect
activity
neuroinflammation
is
unknown.
We
demonstrate
that
activated
microglial
metabolism
controls
mitochondrial
respiration
activity.
Lipopolysaccharide/interferon
gamma
promote
glycolysis
decrease
myelin
protein
synthesis
in
rat
brain
glial
cells.
Enriched
microglia
showed
an
early
burst
glycolysis.
In
microglia-conditioned
medium,
oligodendrocytes
did
not
respire
expressed
less
myelin.
SCENITH
revealed
metabolic
derangement
O4-positive
endotoxemia
experimental
autoimmune
encephalitogenic
models.
The
was
mediated
by
PDPK1
kinase
B/AKT
signaling.
found
microglia-produced
NO
itaconate,
a
tricarboxylic
acid
bifurcated
metabolite,
reduced
oligodendrocytes.
During
inflammation,
we
discovered
signaling
pathway
could
be
used
as
therapeutic
target
to
restore
induce
remyelination.
Cancer Research,
Journal Year:
2023,
Volume and Issue:
83(9), P. 1543 - 1557
Published: Feb. 27, 2023
α-Fetoprotein
(AFP)
is
expressed
by
stem-like
and
poor
outcome
hepatocellular
cancer
tumors
a
clinical
tumor
biomarker.
AFP
has
been
demonstrated
to
inhibit
dendritic
cell
(DC)
differentiation
maturation
block
oxidative
phosphorylation.
To
identify
the
critical
metabolic
pathways
leading
human
DC
functional
suppression,
here,
we
used
two
recently
described
single-cell
profiling
methods,
scMEP
(single-cell
profiling)
SCENITH
energetic
metabolism
translation
inhibition).
Glycolytic
capacity
glucose
dependence
of
DCs
were
significantly
increased
tumor-derived,
but
not
normal
cord
blood-derived,
AFP,
uptake
lactate
secretion.
Key
molecules
in
electron
transport
chain
particular
regulated
tumor-derived
AFP.
These
changes
occurred
at
mRNA
protein
levels,
with
negative
impact
on
stimulatory
capacity.
Tumor-derived
bound
more
polyunsaturated
fatty
acids
(PUFA)
than
blood-derived
PUFAs
skewing
promoted
suppression.
inhibited
vitro,
ω-6
conferred
potent
immunoregulation
when
Together,
these
findings
provide
mechanistic
insights
into
how
antagonizes
innate
immune
response
limit
antitumor
immunity.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Nov. 8, 2023
Abstract
Efficacy
of
cancer
vaccines
remains
low
and
mechanistic
understanding
antigen
presenting
cell
function
in
may
improve
vaccine
design
outcomes.
Here,
we
analyze
the
transcriptomic
immune-metabolic
profiles
Dendritic
Cells
(DCs)
from
35
subjects
enrolled
a
trial
DC
late-stage
melanoma
(NCT01622933).
Multiple
platforms
identify
metabolism
as
an
important
biomarker
patient
overall
survival
(OS).
We
demonstrate
multiple
immune
metabolic
gene
expression
pathway
alterations,
functional
decrease
OCR/OXPHOS
increase
ECAR/glycolysis
vaccines.
To
dissect
molecular
mechanisms,
utilize
single
SCENITH
profiling
show
clinical
outcomes
(OS)
correlate
with
profile,
that
is
linked
to
phenotype.
With
regulome
profiling,
MCT1
(monocarboxylate
transporter-1),
lactate
transporter,
increased
DCs,
glucose
uptake
secretion.
Importantly,
pre-vaccination
circulating
myeloid
cells
patients
used
precursors
for
generation
are
significantly
skewed
metabolically
several
subsets.
Together,
profile
tightly
associated
immunostimulatory
potential
patients.
link
phenotypic
changes
signatures
correspond
suppressed
differentiation.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(4), P. 3349 - 3361
Published: Jan. 17, 2024
Cancer
vaccines
with
the
ability
to
elicit
tumor-specific
immune
responses
have
attracted
significant
interest
in
cancer
immunotherapy.
A
key
challenge
for
effective
is
spatiotemporal
codelivery
of
antigens
and
adjuvants.
Herein,
we
synthesized
a
copolymer
library
containing
nine
poly(ethylene
glycol)
methyl
ether
methacrylate-
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(40)
Published: Aug. 9, 2024
Abstract
Epigenetic
regulation
of
metabolism
profoundly
influences
cell
fate
commitment.
During
osteoclast
differentiation,
the
activation
RANK
signaling
is
accompanied
by
metabolic
reprogramming,
but
epigenetic
mechanisms
which
induces
this
reprogramming
remain
elusive.
By
transcriptional
sequence
and
ATAC
analysis,
study
identifies
that
upregulates
PRMT6
modification,
triggering
a
switching
from
fatty
acids
oxidation
toward
glycolysis.
Conversely,
Prmt6
deficiency
reverses
shift,
markedly
reducing
HIF‐1α‐mediated
glycolysis
enhancing
acid
oxidation.
Consequently,
or
inhibitor
impedes
differentiation
alleviates
bone
loss
in
ovariectomized
(OVX)
mice.
At
molecular
level,
reduces
asymmetric
dimethylation
H3R2
at
promoters
genes
including
Ppard
,
Acox3
Cpt1a
genomic
accessibility
for
thus
emerges
as
checkpoint,
mediating
switch
to
glycolysis,
thereby
supporting
osteoclastogenesis.
Unveiling
PRMT6's
critical
role
epigenetically
orchestrating
shifts
osteoclastogenesis
offers
promising
target
anti‐resorptive
therapy.